From: Ben Chuang <ben.chuang@xxxxxxxxxxxxxxxxxxx>
According to section 3.2.1 internal clock setup in SD Host Controller
Simplified Specifications 4.20, the timeout of loop for checking
internal clock stable is defined as 150ms.
Signed-off-by: Ben Chuang <ben.chuang@xxxxxxxxxxxxxxxxxxx>
Co-developed-by: Michael K Johnson <johnsonm@xxxxxxxxx>
Signed-off-by: Michael K Johnson <johnsonm@xxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
drivers/mmc/host/sdhci.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 59acf8e3331e..bed0760a6c2a 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1636,8 +1636,8 @@ void sdhci_enable_clk(struct sdhci_host *host, u16 clk)
clk |= SDHCI_CLOCK_INT_EN;
sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
- /* Wait max 20 ms */
- timeout = ktime_add_ms(ktime_get(), 20);
+ /* Wait max 150 ms */
+ timeout = ktime_add_ms(ktime_get(), 150);
while (1) {
bool timedout = ktime_after(ktime_get(), timeout);
--
2.23.0
